Yu Shu, the youngest deputy director at a modern medical research institute, dies suddenly and awakens in an ancient world with a traditional Chinese medicine space. She has become Yun Ling, a ten-year-old maid who does the sweeping and cleaning at the Duke of Zhenguo's estate.
Xiao Jingmo, heir to the Duke of Zhenguo, is held in the capital as a hostage. He appears as gentle as jade, but is deeply calculating. He thinks he has merely taken in an obedient pawn, not knowing that in her previous life, this "pawn" performed over a hundred surgeries as lead surgeon and published academic papers. She stood at the pinnacle of modern medicine, and no man of this era can cage her like a captive bird.
A deed of sale? She can tear it up, then. If she can save ten taels in five years, she can save a hundred, even a thousand, in the next five.
With a space at her disposal and medical skills at her command, she is eager to see who the true player is on this chessboard.